Home / 1,477,851.35-2,039,457.50-865,857.67

Finding the Fourth Proportional to 1,477,851.35, 2,039,457.50 and 865,857.67

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Solution

The fourth proportional to 1,477,851.35, 2,039,457.50 and 865,857.67 is: 1,194,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,851.35 : 2,039,457.50 = 865,857.67 : x
  2. Step 2: Convert to fraction form
    1,477,851.35/2,039,457.50 = 865,857.67/x
  3. Step 3: Cross multiply
    1,477,851.35x = 2,039,457.50 × 865,857.67
  4. Step 4: Simplify right side
    1,477,851.35x = 1,765,879,919,014.03
  5. Step 5: Solve for x
    x = 1,765,879,919,014.03/1,477,851.35
  6. Step 6: Final answer
    x = 1,194,896.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.